KEMOTO, Nobuyuki. The topology of a topological sum of orderable spaces is induced by the union of two order topologies. Topology Proceedings, [S. l.], v. 68, p. 67–73, 2025. Disponível em: https://www.topologyproceedings.org/index.php/tp/article/view/141. Acesso em: 30 jun. 2026.